Prisoner 1040

{{Infobox film

| name = Prisoner 1040

| native_name = {{infobox name module|es|Procesado 1040}}

| image = Walter Vidarte in 1958.jpg

| caption =

| director = Rubén W. Cavalloti

| producer =

| writer = Wilfredo Jiménez
Juan Carlos Patrón

| narrator =

| starring =

| music =

| cinematography =

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| released = {{Film date|1958}}

| runtime =

| country = Argentina

| language = Spanish

| budget =

}}

Prisoner 1040 ({{langx|es|Procesado 1040}}) is a 1958 Argentine thriller film directed by Rubén W. Cavalloti. The film is about an honest man who is wrongly imprisoned and experiences the horror within the cold walls of the prison.